gooloofoogoomoojoo 

Can be used as the ultimate expression of ones extreme feelings, such as stress, happiness, e.t.c.

dude: hey man! uhh sorry but your car just exploded. and i did ur girlfriend!1!!!1
dude:GOOLOOFOOGOOMOOJOO!!!

gooloofoogoomoojoo by r2d2's bad hair day August 13, 2006